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/* Intel(R) Gigabit Ethernet Linux driver

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 * Copyright(c) 2007-2014 Intel Corporation.

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 *

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 * This program is free software; you can redistribute it and/or modify it

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 * under the terms and conditions of the GNU General Public License,

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 * version 2, as published by the Free Software Foundation.

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 *

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 * This program is distributed in the hope it will be useful, but WITHOUT

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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for

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 * more details.

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 *

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 * You should have received a copy of the GNU General Public License along with

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 * this program; if not, see <http://www.gnu.org/licenses/>.

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 *

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 * The full GNU General Public License is included in this distribution in

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 * the file called "COPYING".

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 *

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 * Contact Information:

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 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>

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 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497

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 */

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#ifndef _E1000_MBX_H_

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#define _E1000_MBX_H_

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#include "e1000_hw.h"

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#define E1000_P2VMAILBOX_STS	0x00000001 /* Initiate message send to VF */

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#define E1000_P2VMAILBOX_ACK	0x00000002 /* Ack message recv'd from VF */

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#define E1000_P2VMAILBOX_VFU	0x00000004 /* VF owns the mailbox buffer */

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#define E1000_P2VMAILBOX_PFU	0x00000008 /* PF owns the mailbox buffer */

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#define E1000_P2VMAILBOX_RVFU	0x00000010 /* Reset VFU - used when VF stuck */

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#define E1000_MBVFICR_VFREQ_MASK	0x000000FF /* bits for VF messages */

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#define E1000_MBVFICR_VFREQ_VF1		0x00000001 /* bit for VF 1 message */

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#define E1000_MBVFICR_VFACK_MASK	0x00FF0000 /* bits for VF acks */

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#define E1000_MBVFICR_VFACK_VF1		0x00010000 /* bit for VF 1 ack */

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#define E1000_VFMAILBOX_SIZE	16 /* 16 32 bit words - 64 bytes */

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/* If it's a E1000_VF_* msg then it originates in the VF and is sent to the

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 * PF.  The reverse is true if it is E1000_PF_*.

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 * Message ACK's are the value or'd with 0xF0000000

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 */

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/* Messages below or'd with this are the ACK */

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#define E1000_VT_MSGTYPE_ACK	0x80000000

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/* Messages below or'd with this are the NACK */

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#define E1000_VT_MSGTYPE_NACK	0x40000000

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/* Indicates that VF is still clear to send requests */

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#define E1000_VT_MSGTYPE_CTS	0x20000000

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#define E1000_VT_MSGINFO_SHIFT	16

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/* bits 23:16 are used for exra info for certain messages */

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#define E1000_VT_MSGINFO_MASK	(0xFF << E1000_VT_MSGINFO_SHIFT)

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#define E1000_VF_RESET		0x01 /* VF requests reset */

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#define E1000_VF_SET_MAC_ADDR	0x02 /* VF requests to set MAC addr */

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#define E1000_VF_SET_MULTICAST	0x03 /* VF requests to set MC addr */

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#define E1000_VF_SET_VLAN	0x04 /* VF requests to set VLAN */

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#define E1000_VF_SET_LPE	0x05 /* VF requests to set VMOLR.LPE */

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#define E1000_VF_SET_PROMISC	0x06 /*VF requests to clear VMOLR.ROPE/MPME*/

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#define E1000_VF_SET_PROMISC_MULTICAST	(0x02 << E1000_VT_MSGINFO_SHIFT)

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#define E1000_PF_CONTROL_MSG	0x0100 /* PF control message */

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s32 igb_read_mbx(struct e1000_hw *, u32 *, u16, u16);

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s32 igb_write_mbx(struct e1000_hw *, u32 *, u16, u16);

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s32 igb_check_for_msg(struct e1000_hw *, u16);

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s32 igb_check_for_ack(struct e1000_hw *, u16);

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s32 igb_check_for_rst(struct e1000_hw *, u16);

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s32 igb_init_mbx_params_pf(struct e1000_hw *);

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#endif /* _E1000_MBX_H_ */